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authorLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-11-13 23:46:45 +0530
committerLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-11-13 23:46:45 +0530
commit9468226a9e2e2ab8cdd599f1d8538e860ca86120 (patch)
tree0a77ada226d6db80639f96b438bf83e4e756edb5 /env/lib/python3.10/site-packages/pip/_internal/models/target_python.py
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+import sys
+from typing import List, Optional, Tuple
+
+from pip._vendor.packaging.tags import Tag
+
+from pip._internal.utils.compatibility_tags import get_supported, version_info_to_nodot
+from pip._internal.utils.misc import normalize_version_info
+
+
+class TargetPython:
+
+ """
+ Encapsulates the properties of a Python interpreter one is targeting
+ for a package install, download, etc.
+ """
+
+ __slots__ = [
+ "_given_py_version_info",
+ "abis",
+ "implementation",
+ "platforms",
+ "py_version",
+ "py_version_info",
+ "_valid_tags",
+ ]
+
+ def __init__(
+ self,
+ platforms: Optional[List[str]] = None,
+ py_version_info: Optional[Tuple[int, ...]] = None,
+ abis: Optional[List[str]] = None,
+ implementation: Optional[str] = None,
+ ) -> None:
+ """
+ :param platforms: A list of strings or None. If None, searches for
+ packages that are supported by the current system. Otherwise, will
+ find packages that can be built on the platforms passed in. These
+ packages will only be downloaded for distribution: they will
+ not be built locally.
+ :param py_version_info: An optional tuple of ints representing the
+ Python version information to use (e.g. `sys.version_info[:3]`).
+ This can have length 1, 2, or 3 when provided.
+ :param abis: A list of strings or None. This is passed to
+ compatibility_tags.py's get_supported() function as is.
+ :param implementation: A string or None. This is passed to
+ compatibility_tags.py's get_supported() function as is.
+ """
+ # Store the given py_version_info for when we call get_supported().
+ self._given_py_version_info = py_version_info
+
+ if py_version_info is None:
+ py_version_info = sys.version_info[:3]
+ else:
+ py_version_info = normalize_version_info(py_version_info)
+
+ py_version = ".".join(map(str, py_version_info[:2]))
+
+ self.abis = abis
+ self.implementation = implementation
+ self.platforms = platforms
+ self.py_version = py_version
+ self.py_version_info = py_version_info
+
+ # This is used to cache the return value of get_tags().
+ self._valid_tags: Optional[List[Tag]] = None
+
+ def format_given(self) -> str:
+ """
+ Format the given, non-None attributes for display.
+ """
+ display_version = None
+ if self._given_py_version_info is not None:
+ display_version = ".".join(
+ str(part) for part in self._given_py_version_info
+ )
+
+ key_values = [
+ ("platforms", self.platforms),
+ ("version_info", display_version),
+ ("abis", self.abis),
+ ("implementation", self.implementation),
+ ]
+ return " ".join(
+ f"{key}={value!r}" for key, value in key_values if value is not None
+ )
+
+ def get_tags(self) -> List[Tag]:
+ """
+ Return the supported PEP 425 tags to check wheel candidates against.
+
+ The tags are returned in order of preference (most preferred first).
+ """
+ if self._valid_tags is None:
+ # Pass versions=None if no py_version_info was given since
+ # versions=None uses special default logic.
+ py_version_info = self._given_py_version_info
+ if py_version_info is None:
+ version = None
+ else:
+ version = version_info_to_nodot(py_version_info)
+
+ tags = get_supported(
+ version=version,
+ platforms=self.platforms,
+ abis=self.abis,
+ impl=self.implementation,
+ )
+ self._valid_tags = tags
+
+ return self._valid_tags